package com.facade;

public class Projector {

    private static Projector instance = new Projector();

    public static Projector getInstance() {
        return instance;
    }

    public void on(){
        System.out.println(" projector on");
    }

    public void off(){
        System.out.println(" projector off");
    }

    public void focus(){
        System.out.println(" projector is focusing");
    }
}
